I have had an air safe for 6 years. It does not have the Binkley style head. I LOVE it. I have had Reese and B and W. I have towed 5th wheels 18 years. I do wish it had the Binkley style head. I now have a Brinkley 3100 z that had a verified 3600lb pin weight with the curt helix 5th wheel hitch on the rv. It arcs oddly downward when unhooking which often requires me to get back in the truck and put in reverse after the rv is raised to release any pinch or drag so I can open the hitch. The curt helix’s design causes this. I had no such issues with other non moving (rotating) 5th wheel pin boxes. The the two together are NOT at all overly redundant. Very smooth ride between the two. The air safe is a solid piece of iron with four air bags - one in each corner.